mirror of git://git.sysmocom.de/ofono
477 lines
11 KiB
C
477 lines
11 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <gisi/netlink.h>
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#include <gisi/modem.h>
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#include <gisi/client.h>
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#include <gisi/message.h>
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#define OFONO_API_SUBJECT_TO_CHANGE
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#include <ofono/plugin.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/devinfo.h>
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#include <ofono/phonebook.h>
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#include <ofono/netreg.h>
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#include <ofono/voicecall.h>
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#include <ofono/sms.h>
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#include <ofono/cbs.h>
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#include <ofono/sim.h>
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#include <ofono/ussd.h>
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#include <ofono/call-forwarding.h>
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#include <ofono/call-settings.h>
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#include <ofono/call-barring.h>
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#include <ofono/call-meter.h>
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#include <ofono/radio-settings.h>
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#include <ofono/gprs.h>
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#include <ofono/gprs-context.h>
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#include <ofono/message-waiting.h>
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#include "drivers/isimodem/isimodem.h"
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#include "drivers/isimodem/isiutil.h"
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#include "drivers/isimodem/mtc.h"
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#include "drivers/isimodem/debug.h"
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struct isi_data {
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char const *ifname;
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GIsiModem *modem;
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GIsiClient *client;
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GIsiPhonetNetlink *link;
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enum GIsiPhonetLinkState linkstate;
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unsigned interval;
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int reported;
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ofono_bool_t online;
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struct isi_cb_data *online_cbd;
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};
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static gboolean check_response_status(const GIsiMessage *msg, uint8_t msgid)
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{
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if (g_isi_msg_error(msg) < 0) {
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DBG("Error: %s", strerror(-g_isi_msg_error(msg)));
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return FALSE;
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}
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if (g_isi_msg_id(msg) != msgid) {
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DBG("Unexpected msg: %s",
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mtc_message_id_name(g_isi_msg_id(msg)));
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return FALSE;
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}
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return TRUE;
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}
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static void report_powered(struct ofono_modem *modem, struct isi_data *isi,
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ofono_bool_t powered)
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{
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if (powered == isi->reported)
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return;
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isi->reported = powered;
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ofono_modem_set_powered(modem, powered);
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}
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static void report_online(struct isi_data *isi, ofono_bool_t online)
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{
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struct isi_cb_data *cbd = isi->online_cbd;
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ofono_modem_online_cb_t cb = cbd->cb;
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isi->online_cbd = NULL;
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if (isi->online == online)
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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else
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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g_free(cbd);
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}
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static void set_power_by_mtc_state(struct ofono_modem *modem,
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struct isi_data *isi, int mtc_state)
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{
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if (isi->online_cbd)
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report_online(isi, mtc_state == MTC_NORMAL);
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switch (mtc_state) {
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case MTC_STATE_NONE:
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case MTC_POWER_OFF:
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case MTC_CHARGING:
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case MTC_SELFTEST_FAIL:
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report_powered(modem, isi, FALSE);
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break;
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case MTC_RF_INACTIVE:
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case MTC_NORMAL:
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default:
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report_powered(modem, isi, TRUE);
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}
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}
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static void mtc_state_ind_cb(const GIsiMessage *msg, void *data)
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{
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struct ofono_modem *modem = data;
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struct isi_data *isi = ofono_modem_get_data(modem);
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uint8_t state;
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uint8_t action;
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if (!isi || g_isi_msg_id(msg) != MTC_STATE_INFO_IND)
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return;
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if (!g_isi_msg_data_get_byte(msg, 0, &state) ||
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!g_isi_msg_data_get_byte(msg, 1, &action))
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return;
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switch (action) {
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case MTC_START:
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DBG("target modem state: %s (0x%02X)",
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mtc_modem_state_name(state), state);
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break;
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case MTC_READY:
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DBG("current modem state: %s (0x%02X)",
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mtc_modem_state_name(state), state);
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set_power_by_mtc_state(modem, isi, state);
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break;
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}
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}
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static void mtc_query_cb(const GIsiMessage *msg, void *data)
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{
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struct ofono_modem *modem = data;
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struct isi_data *isi = ofono_modem_get_data(modem);
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uint8_t current;
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uint8_t target;
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if (!check_response_status(msg, MTC_STATE_QUERY_RESP))
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return;
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if (!g_isi_msg_data_get_byte(msg, 0, ¤t) ||
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!g_isi_msg_data_get_byte(msg, 1, &target))
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return;
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DBG("Modem state: current=%s (0x%02X) target=%s (0x%02X)",
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mtc_modem_state_name(current), current,
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mtc_modem_state_name(target), target);
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if (current == target)
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set_power_by_mtc_state(modem, isi, current);
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}
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static gboolean bootstrap_current_state(gpointer user)
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{
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struct ofono_modem *om = user;
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struct isi_data *isi = ofono_modem_get_data(om);
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const uint8_t req[] = {
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MTC_STATE_QUERY_REQ,
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0x00, 0x00 /* Filler */
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};
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size_t len = sizeof(req);
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g_isi_client_send(isi->client, req, len, mtc_query_cb, om, NULL);
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return FALSE;
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}
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static void reachable_cb(const GIsiMessage *msg, void *data)
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{
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struct ofono_modem *om = data;
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struct isi_data *isi = ofono_modem_get_data(om);
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if (!g_isi_msg_error(msg) < 0)
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return;
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ISI_RESOURCE_DBG(msg);
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g_isi_client_ind_subscribe(isi->client, MTC_STATE_INFO_IND,
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mtc_state_ind_cb, om);
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/*
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* FIXME: There is a theoretical race condition here:
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* g_isi_client_ind_subscribe() adds the actual message
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* sending for committing changes to subscriptions in idle
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* loop, which may or may not preserve ordering. Thus, we
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* might miss a state indication if the bootstrap request ends
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* up being sent first.
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*/
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g_idle_add(bootstrap_current_state, om);
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}
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static void phonet_status_cb(GIsiModem *modem, enum GIsiPhonetLinkState st,
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char const *ifname, void *data)
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{
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struct ofono_modem *om = data;
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struct isi_data *isi = ofono_modem_get_data(om);
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DBG("Link %s (%u) is %s", isi->ifname, g_isi_modem_index(isi->modem),
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st == PN_LINK_REMOVED ? "removed" :
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st == PN_LINK_DOWN ? "down" : "up");
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isi->linkstate = st;
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if (st == PN_LINK_UP)
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g_isi_client_verify(isi->client, reachable_cb, om, NULL);
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else if (st == PN_LINK_DOWN)
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set_power_by_mtc_state(om, isi, MTC_STATE_NONE);
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}
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static int isiusb_probe(struct ofono_modem *modem)
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{
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const char *ifname = ofono_modem_get_string(modem, "Interface");
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unsigned address = ofono_modem_get_integer(modem, "Address");
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GIsiModem *isimodem;
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GIsiClient *client = NULL;
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GIsiPhonetNetlink *link = NULL;
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struct isi_data *isi = NULL;
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if (!ifname)
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return -EINVAL;
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DBG("(%p) with %s", modem, ifname);
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isimodem = g_isi_modem_create_by_name(ifname);
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if (!isimodem) {
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DBG("Interface=%s: %s", ifname, strerror(errno));
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return -errno;
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}
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g_isi_modem_set_userdata(isimodem, modem);
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g_isi_modem_set_flags(isimodem, GISI_MODEM_FLAG_USE_LEGACY_SUBSCRIBE);
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if (getenv("OFONO_ISI_DEBUG"))
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g_isi_modem_set_debug(isimodem, ofono_debug);
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if (getenv("OFONO_ISI_TRACE"))
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g_isi_modem_set_trace(isimodem, isi_trace);
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if (g_isi_pn_netlink_by_modem(isimodem)) {
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DBG("%s: %s", ifname, strerror(EBUSY));
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errno = EBUSY;
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goto error;
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}
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link = g_isi_pn_netlink_start(isimodem, phonet_status_cb, modem);
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if (link == NULL) {
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DBG("%s: %s", ifname, strerror(errno));
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goto error;
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}
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if (address) {
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int error = g_isi_pn_netlink_set_address(isimodem, address);
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if (error && error != -EEXIST) {
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DBG("g_isi_pn_netlink_set_address(): %s\n",
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strerror(-error));
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errno = -error;
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goto error;
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}
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}
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isi = g_try_new0(struct isi_data, 1);
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if (!isi) {
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errno = ENOMEM;
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goto error;
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}
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client = g_isi_client_create(isimodem, PN_MTC);
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if (!client)
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goto error;
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isi->modem = isimodem;
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isi->ifname = ifname;
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isi->link = link;
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isi->reported = -1;
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isi->client = client;
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ofono_modem_set_data(modem, isi);
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return 0;
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error:
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g_isi_pn_netlink_stop(link);
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g_isi_client_destroy(client);
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g_isi_modem_destroy(isimodem);
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g_free(isi);
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return -errno;
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}
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static void isiusb_remove(struct ofono_modem *modem)
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{
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struct isi_data *isi = ofono_modem_get_data(modem);
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ofono_modem_set_data(modem, NULL);
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if (isi == NULL)
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return;
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g_isi_pn_netlink_stop(isi->link);
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g_isi_client_destroy(isi->client);
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g_isi_modem_destroy(isi->modem);
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g_free(isi);
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}
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static void mtc_state_cb(const GIsiMessage *msg, void *data)
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{
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struct isi_cb_data *cbd = data;
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struct ofono_modem *modem = cbd->user;
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ofono_modem_online_cb_t cb = cbd->cb;
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struct isi_data *isi = ofono_modem_get_data(modem);
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uint8_t cause;
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if (!check_response_status(msg, MTC_STATE_RESP))
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goto error;
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if (!g_isi_msg_data_get_byte(msg, 0, &cause))
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goto error;
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DBG("MTC cause: %s (0x%02X)", mtc_isi_cause_name(cause), cause);
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if (cause == MTC_OK || cause == MTC_STATE_TRANSITION_GOING_ON) {
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isi->online_cbd = cbd;
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return;
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}
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if (cause == MTC_ALREADY_ACTIVE) {
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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g_free(cbd);
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return;
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}
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error:
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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g_free(cbd);
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}
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static void isiusb_online(struct ofono_modem *modem, ofono_bool_t online,
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ofono_modem_online_cb_t cb, void *data)
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{
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struct isi_data *isi = ofono_modem_get_data(modem);
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struct isi_cb_data *cbd = isi_cb_data_new(modem, cb, data);
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const uint8_t req[] = {
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MTC_STATE_REQ,
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online ? MTC_NORMAL : MTC_RF_INACTIVE,
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0x00
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};
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DBG("(%p) with %s", modem, isi->ifname);
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if (cbd == NULL || isi == NULL)
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goto error;
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if (g_isi_client_send_with_timeout(isi->client, req, sizeof(req),
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MTC_STATE_REQ_TIMEOUT,
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mtc_state_cb, cbd, NULL)) {
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isi->online = online;
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return;
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}
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error:
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CALLBACK_WITH_FAILURE(cb, data);
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g_free(cbd);
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}
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static void isiusb_pre_sim(struct ofono_modem *modem)
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{
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struct isi_data *isi = ofono_modem_get_data(modem);
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DBG("(%p) with %s", modem, isi->ifname);
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ofono_sim_create(modem, 0, "isimodem", isi->modem);
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ofono_devinfo_create(modem, 0, "isimodem", isi->modem);
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ofono_voicecall_create(modem, 0, "isimodem", isi->modem);
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}
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static void isiusb_post_sim(struct ofono_modem *modem)
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{
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struct isi_data *isi = ofono_modem_get_data(modem);
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DBG("(%p) with %s", modem, isi->ifname);
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ofono_phonebook_create(modem, 0, "isimodem", isi->modem);
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ofono_call_forwarding_create(modem, 0, "isimodem", isi->modem);
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ofono_radio_settings_create(modem, 0, "isimodem", isi->modem);
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}
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static void isiusb_post_online(struct ofono_modem *modem)
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{
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struct isi_data *isi = ofono_modem_get_data(modem);
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struct ofono_message_waiting *mw;
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DBG("(%p) with %s", modem, isi->ifname);
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ofono_netreg_create(modem, 0, "isimodem", isi->modem);
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ofono_sms_create(modem, 0, "isimodem", isi->modem);
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ofono_cbs_create(modem, 0, "isimodem", isi->modem);
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ofono_ussd_create(modem, 0, "isimodem", isi->modem);
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ofono_call_settings_create(modem, 0, "isimodem", isi->modem);
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ofono_call_barring_create(modem, 0, "isimodem", isi->modem);
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ofono_call_meter_create(modem, 0, "isimodem", isi->modem);
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ofono_gprs_create(modem, 0, "isimodem", isi->modem);
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mw = ofono_message_waiting_create(modem);
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if (mw)
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ofono_message_waiting_register(mw);
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}
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static int isiusb_enable(struct ofono_modem *modem)
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{
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return 0;
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}
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static int isiusb_disable(struct ofono_modem *modem)
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{
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return 0;
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}
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static struct ofono_modem_driver driver = {
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.name = "isiusb",
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.probe = isiusb_probe,
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.remove = isiusb_remove,
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.set_online = isiusb_online,
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.pre_sim = isiusb_pre_sim,
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.post_sim = isiusb_post_sim,
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.post_online = isiusb_post_online,
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.enable = isiusb_enable,
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.disable = isiusb_disable,
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};
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static int isiusb_init(void)
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{
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return ofono_modem_driver_register(&driver);
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}
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static void isiusb_exit(void)
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{
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ofono_modem_driver_unregister(&driver);
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}
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OFONO_PLUGIN_DEFINE(isiusb, "Generic modem driver for isi",
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VERSION, OFONO_PLUGIN_PRIORITY_DEFAULT,
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isiusb_init, isiusb_exit)
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